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in subjects: "pipes"  
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Wrench.

Description: Patent for a new and improved wrench. This design "relates particularly to a combined pipe and nut wrench, and has for its object to provide a wrench of the class described which can be quickly changed to an ordinary wrench . . . [the] invention consists of a shank having a rigid jaw attached thereto, a movable jaw adjustable on the shank and an eccentrically-headed lever pivoted to the rear end of the movable jaw and bearing on the shank adapted to separate the rear end of the movable jaw and … more
Date: August 5, 1890
Creator: Hooks, George W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Valve.

Description: Patent for a new and improved valve. This design is "to provide a . . . valve . . . to cut off the supply of water upon the outside of the induction-port and to drain all water from the valve-body and the connecting-pipes above the same, thereby preventing freezing of the same" (lines 10-15). It consists in "[t]he valve casing or body having oppositely-located ports and provided with a perforated interiorly-threaded lug or projection, in combination with the flanged bushing seated in said valve… more
Date: November 11, 1890
Creator: Morrison, James John
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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